MESON Chess Problem Database
Problem Display
PID: 156308 (4B3/1p2p2K/4p2n/1RN1k3/4Np2/2P3P1/3B1Q2/3Rr1r1 w - - 0 1)
Tritten, Pierre
Best Problems, 2006
#2
10 + 8
SOLUTION
- SOUND
- Sets
- 1...Kd5
- 2.Qd4#
- 1...Kf5
- 2.Qxf4#
- 1...Sf5
- 2.Bxf4#
- 1...Kd5
- Tries
- 1.Sd6?
- threat
- 2.Sce4#
- 2.Qd4#
- 1...Kd5
- 2.Sce4#
- 2.Scxb7#
- 2.Qd4#
- 1...Kxd6
- 2.Bxf4#
- 1...Kf6
- 2.Sd7#
- 1...Re3
- 2.Sce4#
- 1...Re4
- 2.Scxe4#
- 1...Sf5
- 2.Sce4#
- 1...exd6!
- threat
- 1.Sf6?
- threat
- 2.Sce4#
- 2.Qxf4#
- 1...Kf5
- 2.Qxf4#
- 1...Kd6
- 2.Bxf4#
- 1...Kxf6
- 2.Sd7#
- 1...fxg3
- 2.Sce4#
- 2.Sxb7#
- 2.Qf4#
- 1...Ref1
- 2.Sce4#
- 1...Re4
- 2.Scxe4#
- 1...Rgf1
- 2.Sce4#
- 1...Sf5
- 2.Sce4#
- 1...f3
- 2.Sce4#
- 1...exf6!
- threat
- 1.Sxe6+?
- 1...Kxe6
- 2.Qb6#
- 1...Kxe4!
- 1...Kxe6
- 1.Bc6?
- threat
- 2.Sb3#
- 2.Sd3#
- 2.Sa4#
- 2.Sa6#
- 2.Sxb7#
- 2.Sd7#
- 2.Qxf4#
- 1...Kf5
- 2.Qxf4#
- 1...Rxe4
- 2.Sxe4#
- 1...fxg3
- 2.Sb3#
- 2.Sd3#
- 2.Sa4#
- 2.Sa6#
- 2.Sxb7#
- 2.Sd7#
- 2.Qf4#
- 1...Ref1
- 2.Sb3#
- 2.Sd3#
- 2.Sa4#
- 2.Sa6#
- 2.Sxb7#
- 2.Sd7#
- 1...Rgf1
- 2.Sb3#
- 2.Sd3#
- 2.Sa4#
- 2.Sa6#
- 2.Sxb7#
- 2.Sd7#
- 1...f3
- 2.Sb3#
- 2.Sd3#
- 2.Sa4#
- 2.Sa6#
- 2.Sxb7#
- 2.Sd7#
- 1...b6
- 2.Sb3#
- 2.Sd3#
- 2.Sa4#
- 2.Sa6#
- 2.Sb7#
- 2.Sd7#
- 2.Qxf4#
- 1...bxc6!
- threat
- 1.Bg6?
- threat
- 2.Sb3#
- 2.Sd3#
- 2.Sa4#
- 2.Sa6#
- 2.Sxb7#
- 2.Sd7#
- 2.Bxf4#
- 2.Qd4#
- 1...Rxd1
- 2.Sb3#
- 2.Sd3#
- 2.Sa4#
- 2.Sa6#
- 2.Sxb7#
- 2.Sd7#
- 2.Qd4#
- 1...Rxe4
- 2.Sxe4#
- 1...fxg3
- 2.Sb3#
- 2.Sd3#
- 2.Sa4#
- 2.Sa6#
- 2.Sxb7#
- 2.Sd7#
- 2.Bf4#
- 2.Qd4#
- 1...Re3
- 2.Sb3#
- 2.Sd3#
- 2.Sa4#
- 2.Sa6#
- 2.Sxb7#
- 2.Sd7#
- 1...Sf5
- 2.Bxf4#
- 1...f3
- 2.Sb3#
- 2.Sd3#
- 2.Sa4#
- 2.Sa6#
- 2.Sxb7#
- 2.Sd7#
- 2.Bf4#
- 2.Qd4#
- 1...b6
- 2.Sb3#
- 2.Sd3#
- 2.Sa4#
- 2.Sa6#
- 2.Sb7#
- 2.Sd7#
- 2.Bxf4#
- 2.Qd4#
- 1...Kd5!
- threat
- 1.Rxe1?
- threat
- 2.Sb3#
- 2.Sd3#
- 2.Sa4#
- 2.Sa6#
- 2.Sxb7#
- 2.Sd7#
- 1...Kd5
- 2.Qd4#
- 1...Kf5
- 2.Qxf4#
- 1...b6
- 2.Sb3#
- 2.Sd3#
- 2.Sa4#
- 2.Sa6#
- 2.Sb7#
- 2.Sd7#
- 1...Rxe1!
- threat
- 1.Qe2?
- threat
- 2.Sb3#
- 2.Sd3#
- 2.Sa4#
- 2.Sa6#
- 2.Sxb7#
- 2.Sd7#
- 1...Kd5
- 2.Sb3#
- 2.Sa4#
- 2.Sa6#
- 2.Sxb7#
- 1...Kf5
- 2.Qh5#
- 1...b6
- 2.Sb3#
- 2.Sd3#
- 2.Sa4#
- 2.Sa6#
- 2.Sb7#
- 2.Sd7#
- 1...Rxe2!
- threat
- 1.Qf3?
- threat
- 2.Sb3#
- 2.Sd3#
- 2.Sa4#
- 2.Sa6#
- 2.Sxb7#
- 2.Sd7#
- 1...Kf5
- 2.Qh5#
- 2.Qxf4#
- 1...Rxe4
- 2.Sxe4#
- 1...b6
- 2.Sb3#
- 2.Sd3#
- 2.Sa4#
- 2.Sa6#
- 2.Sb7#
- 2.Sd7#
- 1...Kd5!
- threat
- 1.gxf4+?
- 1...Kd5
- 2.Qd4#
- 1...Kf5!
- 1...Kd5
- 1.Sd6?
- Keys
- 1.Sg5!
- threat
- 2.Sce4#
- 1...Kd5
- 2.Qd4#
- 1...Kf5
- 2.Qxf4#
- 1...Kd6
- 2.Bxf4#
- 1...Kf6
- 2.Sd7#
- 1...Re4
- 2.Scxe4#
- threat
- 1.Sg5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- K(d);P-FLIGHT::QAR1(C)
- K(d);P-FLIGHT,P_SPINP(c)::QAR1(C),XP(c)
- S(f);SBLOCK::B(B),XP(c)
- Tries
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- K(d);S_FLIGHT,XS(F)::R(A)+B(B),DCHECK,XP(c)
- K(d);P_SPINP(c),S_FLIGHT::S(H)
- R(a);::R(G)+S(H)
- R(a);::R(G)+S(H),XR(a)
- S(f);::R(G)+S(H)
- Refutation
- P(h);XS(F)
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- K(d);P-FLIGHT,P_SPINP(c)::QAR1(C),XP(c)
- K(d);S_FLIGHT::R(A)+B(B),DCHECK,XP(c)
- K(d);P_SPINP(c),S_FLIGHT,XS(F)::S(H)
- R(a);::R(G)+S(H)
- R(a);::R(G)+S(H),XR(a)
- R(b);::R(G)+S(H)
- S(f);SBLOCK::R(G)+S(H)
- P(c);::R(G)+S(H)
- Refutation
- P(h);XS(F)
- Try
- S(H);CHECK,XP(e)
- Vars
- K(d);P-FLIGHT,XS(H)::QAR(C)
- Refutation
- K(d);P-FLIGHT,XS(F)
- Try
- B(J);
- Threat
- DUALS(7)
- Vars
- K(d);P-FLIGHT,P_SPINP(c)::QAR1(C),XP(c)
- R(a);XS(F)::R(G)+S(H),XR(a)
- Refutation
- P(g);XB(J)
- Try
- B(J);
- Threat
- DUALS(8)
- Vars
- R(a);XS(F)::R(G)+S(H),XR(a)
- S(f);::B(B),XP(c)
- Refutation
- K(d);P-FLIGHT
- Try
- R(A);XR(a)
- Threat
- DUALS(6)
- Vars
- K(d);P-FLIGHT::QAR1(C)
- K(d);P-FLIGHT,P_SPINP(c)::QAR1(C),XP(c)
- Refutation
- R(b);XR(A)
- Try
- Q(C);
- Threat
- DUALS(6)
- Vars
- K(d);P-FLIGHT::QAR2(C)
- Refutation
- R(a);XQ(C)
- Try
- Q(C);
- Threat
- DUALS(6)
- Vars
- R(a);XS(F)::R(G)+S(H),XR(a)
- Refutation
- K(d);P-FLIGHT
- Try
- P(E);CHECK,XP(c)
- Vars
- K(d);P-FLIGHT::QAR1(C)
- Refutation
- K(d);P-FLIGHT
- Try
- Actual
- S(F);
- Threat
- R(G)+S(H)
- Vars
- K(d);P-FLIGHT::QAR1(C)
- K(d);P-FLIGHT,P_SPINP(c)::QAR1(C),XP(c)
- K(d);S_FLIGHT::R(A)+B(B),DCHECK,XP(c)
- K(d);P_SPINP(c),S_FLIGHT::S(H)
- R(a);::R(G)+S(H),XR(a)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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